Transparent film heaters using multi-walled carbon nanotube sheets
Transparent film heaters using multi-walled carbon nanotube sheets
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DOI：
10.1016/j.sna.2013.05.024
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发表时间：
2013-09-01
影响因子：
4.6
通讯作者：
Lee, Gil S.
中科院分区：
文献类型：
--
作者：
Jung, Daewoong;Kim, Donghyun;Lee, Gil S.
碳纳米管作为透明加热器具有小型化、高效率、低功耗、快速响应等优点。先前提出的用于取代氧化铟锡（ITO）加热器的基于透明单壁碳纳米管（SWCNT）的加热器通过介电泳或随机分散的CNT周围的读出电子器件的逐段对准来制造。这些方法需要在液体或聚合物中进行纯化、分离和分散的步骤，以改善其电学和光学性质。我们研究了一种用于加热的透明薄膜，通过采用多壁碳纳米管（MWCNT）片制造。片材由超取向MWCNT森林制成;加热器通过直接涂覆到玻璃基板上来制造。MWCNT片材的特性，即类似于90%的高透射率和756 Ω/sq的薄层电阻，与先前报道的基于SWCNT的透明膜相当。这些特性可直接应用于生产车辆中的车窗着色和喷漆。(C)2013爱思唯尔有限公司版权所有。
This paper presents carbon nanotubes (CNTs) used as transparent heaters, which offer great advantages in miniaturization, high efficiency, low power consumption, and rapid response. Previously proposed transparent single-walled carbon nanotube (SWCNT) based heaters used to replace indium tin oxide (ITO) heaters were fabricated either by dielectrophoresis or the piece-wise alignment of read-out electronics around randomly dispersed CNTs. These methods require steps for purification, separation, and dispersion in a liquid or polymer in order to improve their electrical and optical properties. We studied a transparent film used for heating, fabricated by employing a multi-walled carbon nanotube (MWCNT) sheet. The sheet was made from a super-aligned MWCNT forest; the heater was fabricated by direct coating onto a glass substrate. The characteristics of the MWCNT sheet, i.e. a high transmittance of similar to 90% and a sheet resistance of 756 Omega/sq, are comparable to previously reported SWCNT-based transparent films. These properties are directly applicable to applications such as window tinting and defrosters in production vehicles. (C) 2013 Elsevier B.V. All rights reserved.